Definition

1. Adjective: Having exactly eleven sides; describing a polygon or a polyhedron with eleven distinct sides.

Usage

• Used to describe geometric shapes, typically polygons, that possess eleven straight sides.
• Commonly appears in mathematical, architectural, or design contexts.

Examples

• Adjective:
  • The architect designed an unusual, eleven-sided courtyard for the building complex.
  • In geometry class, we learned how to calculate the interior angles of an eleven-sided polygon, also called a hendecagon.

Advanced Usage

• Technical/Mathematical Context: The term is precise and is the adjectival form for the polygon name "hendecagon" (or "undecagon").
  • The puzzle consisted of fitting together various polygons, including an eleven-sided piece.

Variants and Related Words

• Hendecagon (n): A flat, two-dimensional shape with eleven sides and eleven angles.
• Undecagon (n): An alternative, though less common, name for an eleven-sided polygon.

Synonyms

• Hendecagonal (adj): Having the form or properties of an eleven-sided figure. (Note: This is a more specific synonym directly related to the polygon name.)

Notes

• This is a compound adjective formed from the number "eleven" and the adjective "sided." It is typically hyphenated.
• It is a highly specific term with a clear, unambiguous meaning related to shape and count.

Adjective

1. having eleven sides